massoutage

2024 New Hampshire Power Outage Report

In 2024, the average New Hampshire customer went without power for about 14.2 hours — the 9th worst of any US state that year, 2.1× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
14.2
Peak customers out
64,404
Rank (worst state)
9th
Counties affected
10

New Hampshire outages over the decade

Average hours without power per customer, 2024 highlighted.

2.3h20153.2h201614.3h20175.8h20183.3h20197.1h20203.4h20218.6h20229.5h202314.2h20243.8h2025

Hardest-hit New Hampshire counties in 2024

By peak customers out during the year's worst event.

1Rockingham County64,4042Carroll County34,9683Merrimack County30,2454Strafford County24,0975Hillsborough County21,8266Belknap County20,0927Cheshire County11,0338Grafton County9,1499Sullivan County4,58510Coos County3,991

Biggest New Hampshire outages of 2024

CountyBeganPeak customers out
Rockingham CountyApril 4, 202464,404
Carroll CountyMarch 16, 202434,968
Merrimack CountyMarch 23, 202430,245
Strafford CountyApril 4, 202424,097
Merrimack CountyApril 4, 202422,459
Hillsborough CountyApril 4, 202421,826
Belknap CountyMarch 16, 202420,092
Strafford CountyMarch 23, 202417,394
Hillsborough CountyJuly 16, 202417,370
Hillsborough CountyMarch 23, 202416,635
New Hampshire by year:20252023202220212020201920182017
Other states in 2024:NCSCMEGATXFL

Part of the 2024 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.